A Kirkwood City Hall

Officers keep watch outside City Hall in Kirkwood, Mo., where a gunman killed two police officers and three city officials before he was fatally shot by police. The gunman, Charles Lee Thornton, was well-known for disrupting council meetings to protest what he called persecution by city...

Officers keep watch outside City Hall in Kirkwood, Mo., where a gunman killed two police officers and three city officials before he was fatally shot by police. The gunman, Charles Lee Thornton, was well-known for disrupting council meetings to protest what he called persecution by city... (AP Photo/St. Louis Post-Dispatch, Robert Cohen)

Officers keep watch outside City Hall in Kirkwood, Mo., where a gunman killed two police officers and three city officials before he was fatally shot by police. The gunman, Charles Lee Thornton, was well-known for disrupting council meetings to protest what he called persecution by city...